# What's Due vs Subly

The clearest difference is device support: What's Due at 4 against Subly's 2. Subly's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. What's Due sells 3 in-app purchases, starting at $4.99 per month and Subly sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

What's Due ships an update fortnightly, Subly every 3 weeks. The most recent releases landed on November 12, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | What's Due | Subly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (328 ratings)](https://appshunter.io/ios/app/whats-due-bill-tracker/id6447707197/reviews)** | — |
| Number of ratings | **328** | — |
| Positive reviews | 78.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 70 MB | 5 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Semper Phoenix LLC](https://appshunter.io/developer/1457917380) | [Jorge Valderrama Sanchez](https://appshunter.io/developer/6805915385) |

## What reviewers say

### What's Due

[App page](https://appshunter.io/ios/app/whats-due-bill-tracker/id6447707197)

Organize your income and bills with this intuitive tracker. Never miss a due date again thanks to customizable reminders and a clear calendar view. Visualize your finances with charts and manage everything in one place.

**Highlights:** Bill and income tracking, Projected bill occurrences, Pay period grouping, Calendar view, Bill reminders, iCloud sync, Biometric security

**Features:** Family Sharing, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $4.99 | per month |
| Premium (Annual) | $19.99 | per year |
| Lifetime Premium | $59.99 | one-time |

**What reviewers like**

- 👍 Easy to use and simple
- ✨ Clean and modern design
- 🚀 Upgrade from old trackers
- 💡 Very helpful and organized
- ✅ Effective bill tracking

**What reviewers complain about**

- 💸 Paid for premium, data disappears
-  limita Limited to 5 bills without subscription
- ❌ No partial payments
- ❓ Hard to set up and cancel

**Reported bugs**

- Data randomly disappears and reappears
- Auto pay doesn't auto pay bills
- No notifications or reminders

**Requested features**

- Add user to bills
- Calendar view
- One-time payment option
- Dark mode
- Add current savings option


### Subly

[App page](https://appshunter.io/ios/app/subly-bills-and-subscriptions/id6805915383)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subly Monthly | $0.99 | per month |
| Subly annual | $8.99 | per year |


## Frequently asked questions

### Is What's Due free?

What's Due is free to download, with in-app purchases available.

### Is Subly free?

Subly is free to download, with in-app purchases available.

### Do What's Due or Subly have ads?

Neither What's Due nor Subly shows ads.

### Which is updated more often, What's Due or Subly?

What's Due ships an update fortnightly, and Subly every 3 weeks. Most recently, What's Due was updated on November 12, 2026 and Subly on November 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*